hat product(s) would you expect from the following reaction? NBS, hv (CH3)2CHCH=CHCH₂CH3 CCIA ?

Chemistry
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Chapter1: Chemical Foundations
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**Transcription for Educational Website**

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**Organic Chemistry Reaction: Anticipating Products**

*Question:*

What product(s) would you expect from the following reaction?

*Chemical Reaction:*

(CH₃)₂CHCH=CHCH₂CH₃ 

- Reagents: NBS, hv, CCl₄

- Reaction Type: Allylic Bromination

*Analysis:*

The given reaction involves N-Bromosuccinimide (NBS), light (hv), and carbon tetrachloride (CCl₄), which are typical conditions for allylic bromination. 

**Explanation:**

1. **Reagents Used:**
   - **NBS (N-Bromosuccinimide):** Used for selective bromination at the allylic position.
   - **hv (Light):** Initiates the formation of free radicals needed for the reaction.
   - **CCl₄ (Carbon Tetrachloride):** Solvent that stabilizes the reaction intermediates.

2. **Mechanism Overview:**
   - This reaction proceeds via a radical mechanism where light induces the homolytic cleavage of the N-Br bond in NBS to form bromine radicals.
   - The bromine radical abstracts a hydrogen atom from the allylic position (the carbon next to a double bond), forming an allylic radical.
   - The allylic radical then reacts with Br₂ (formed from reaction with NBS) to give the allylic brominated product.

3. **Expected Product:**
   - Bromination occurs at the allylic position of the compound, leading to a substitution of a hydrogen atom with a bromine atom at this position.

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This educational summary provides an understanding of allylic bromination and the expected outcome of the given reaction under specific conditions.
Transcribed Image Text:**Transcription for Educational Website** --- **Organic Chemistry Reaction: Anticipating Products** *Question:* What product(s) would you expect from the following reaction? *Chemical Reaction:* (CH₃)₂CHCH=CHCH₂CH₃ - Reagents: NBS, hv, CCl₄ - Reaction Type: Allylic Bromination *Analysis:* The given reaction involves N-Bromosuccinimide (NBS), light (hv), and carbon tetrachloride (CCl₄), which are typical conditions for allylic bromination. **Explanation:** 1. **Reagents Used:** - **NBS (N-Bromosuccinimide):** Used for selective bromination at the allylic position. - **hv (Light):** Initiates the formation of free radicals needed for the reaction. - **CCl₄ (Carbon Tetrachloride):** Solvent that stabilizes the reaction intermediates. 2. **Mechanism Overview:** - This reaction proceeds via a radical mechanism where light induces the homolytic cleavage of the N-Br bond in NBS to form bromine radicals. - The bromine radical abstracts a hydrogen atom from the allylic position (the carbon next to a double bond), forming an allylic radical. - The allylic radical then reacts with Br₂ (formed from reaction with NBS) to give the allylic brominated product. 3. **Expected Product:** - Bromination occurs at the allylic position of the compound, leading to a substitution of a hydrogen atom with a bromine atom at this position. --- This educational summary provides an understanding of allylic bromination and the expected outcome of the given reaction under specific conditions.
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